31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
// Copyright 2020 the Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Contains a helper function for Surface.cpp that needs to be written in ObjectiveC.
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#if !defined(DAWN_ENABLE_BACKEND_METAL)
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# error "Surface_metal.mm requires the Metal backend to be enabled."
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#endif // !defined(DAWN_ENABLE_BACKEND_METAL)
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#import <QuartzCore/CAMetalLayer.h>
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namespace dawn_native {
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bool InheritsFromCAMetalLayer(void* obj) {
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id<NSObject> object = static_cast<id>(obj);
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return [object isKindOfClass:[CAMetalLayer class]];
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}
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} // namespace dawn_native
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